#include <bits/stdc++.h> using namespace std; int main(){ string s; int cr,cl; cin>>s; int sz=s.size(); for(char i=1;i<=sz;i++){ if(i=='('){ cl++; }else if(i==')'){ cr++; } }if(cr==cl){ cout<<"YES"<<endl; }else{ cout<<"NO"<<endl; } return 0; }